Review Zone

PCI Express Specifications and ECRs for Review
PCI-SIG members can influence PCI technology development by submitting engineering change requests (ECRs) as well as reviewing and commenting on draft specifications, ECRs and engineering change notices (ECNs). Members should check the Review Zone regularly for new postings.

Specification and ECNs currently under review are listed below. PLEASE NOTE: THESE ARE DRAFT SPECIFICATIONS ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THESE DRAFT SPECIFICATIONS ARE PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES. For a list of documents with completed review cycles, visit the PCI Express Review Archive

Additional information on the ECR/ECN process can be found in the Procedures Center.

Documents for Review
Submit review feedback on all documents below to administration@pcisig.com by the designated review period deadline.

PCI Express Architecture PHY Layer Test Specification Revision 4.0, Version 0.5

The review period for the PCI Express Architecture PHY Layer Test Specification Revision 4.0, Version 0.5 will end at 5 p.m. (PT) on Tuesday, March 13, 2018. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.5​

The review period for the PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.5 will end at 5 p.m. (PT) on Tuesday, March 13, 2018. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Configuration Space Test Specification Revision 4.0, Version 0.5

The review period for the PCI Express Architecture Configuration Space Test Specification Revision 4.0, Version 0.5 will end at 5 p.m. (PT) on Tuesday, March 13, 2018. Any feedback should be sent to administration@pcisig.com.

OCuLink Cable Spec ECR Rev 1.5

The review period for the OCuLink Cable Spec ECR Rev 1.5 will end at 5 p.m. (PT) on Monday, March 12, 2018. Any feedback should be sent to administration@pcisig.com.

OCuLink x4 Drawing ECR Rev1.3

The review period for the OCuLink x4 Drawing ECR Rev1.3 will end at 5 p.m. (PT) on Monday, February 26, 2018. Any feedback should be sent to administration@pcisig.com.

OCuLink 1.0 Footprint Appendix R1.4 ECR

The review period for the OCuLink 1.0 Footprint Appendix R1.4 ECR will end at 5 p.m. (PT) on Monday, February 26, 2018. Any feedback should be sent to administration@pcisig.com.

OCuLink Performance Tables Changes Rev 1.6 ECR

The review period for the OCuLink Performance Tables Changes Rev 1.6 ECR will end at 5 p.m. (PT) on Monday, February 26, 2018. Any feedback should be sent to administration@pcisig.com.